a ludicrous or grotesque act done for fun and amusement

a practical joke or trick played on the first day of April

a practical joke that involves inserting a match surreptitiously between the sole and upper of the victim's shoe and then lighting it

a boisterous practical joke (especially by college students)

an elaborate practical joke in which the unsuspecting victim hunts a snipe and is typically left in the dark holding a bag and waiting for the snipe to run into it